Other cities combine not much

Yesterday, the citizen put forward, whether the subway of Peking can consider that the realization all night circulated, with satisfy night class clan and work overtime the need of clan?
Guo Ji Fu says that the problem that all night carries a camp to involve a technique first, the subway luck camp needs to check to fix, although in Olympic Games the subway once carried out 72 hours of continuous operation,the inside was still implicit certain technique risk.Because subway so the luck camp of high definition, high frequency, if have never corresponded to check to fix, the risk is still very big.
"Another aspect is for considering the problem of cost."Guo Ji Fu says that not to expel in some possibilities that have already been on the demanding circuit carry on all night carrying a camp, but is subway luck a camp, the words revolve for 24 hours, the cost is also very high.Currently, there are this kind of 24 hours in New York without a break carry a camp, other cities combine not much.